../ dmsp_15_ephemeris_20150119.txt 22-Jun-2023 00:27 107968 dmsp_16_ephemeris_20150119.txt 22-Jun-2023 00:27 107921 dmsp_17_ephemeris_20150119.txt 22-Jun-2023 00:27 107927 dmsp_18_ephemeris_20150119.txt 22-Jun-2023 00:27 107878 dmsp_19_ephemeris_20150119.txt 22-Jun-2023 00:27 107998